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# Copyright 2020 Aditya Srivastava.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: node-exporter-daemonset
  namespace: monitoring
  labels:
    app: node-exporter
    adi10hero.monitoring: node-exporter
spec:
  selector:
    matchLabels:
      app: node-exporter
      adi10hero.monitoring: node-exporter
  template:
    metadata:
      labels:
        app: node-exporter
        adi10hero.monitoring: node-exporter
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "9100"
    spec:
      hostPID: true
      hostIPC: true
      hostNetwork: true
      containers:
        - ports:
            - containerPort: 9100
              protocol: TCP
          resources:
            requests:
              cpu: 0.15
          securityContext:
            runAsUser: 0
            privileged: true
          image: prom/node-exporter:v0.15.2
          args:
            - --path.procfs
            - /host/proc
            - --path.sysfs
            - /host/sys
            - --collector.filesystem.ignored-mount-points
            - '"^/(sys|proc|dev|host|etc)($|/)"'
          name: node-exporter
          volumeMounts:
            - name: dev
              mountPath: /host/dev
            - name: proc
              mountPath: /host/proc
            - name: sys
              mountPath: /host/sys
            - name: rootfs
              mountPath: /rootfs
      volumes:
        - name: proc
          hostPath:
            path: /proc
        - name: dev
          hostPath:
            path: /dev
        - name: sys
          hostPath:
            path: /sys
        - name: rootfs
          hostPath:
            path: /